Security readout for executives and security teams
CVE-2017-12996 is a tcpdump flaw where specially formed PIMv2 packet data can make older tcpdump versions read beyond the intended buffer. The practical concern is systems or analysts processing untrusted network traffic or packet captures with tcpdump before 4.9.2. The source bundle does not show active exploitation. Exposure is most likely on hosts, distributions, or vendor platforms shipping tcpdump before 4.9.2, especially where tcpdump processes live PIMv2 traffic or untrusted packet captures. The provided affected-product metadata is incomplete, so validate through local package inventories and vendor advisories. Prioritize remediation where tcpdump is installed on security, network, or operations systems that inspect untrusted traffic. The CVSS score is critical, but public evidence in the bundle does not confirm active exploitation. Mitigation focus: Upgrade tcpdump to 4.9.2 or a vendor-fixed package.; Check Debian, Gentoo, Apple, and Red Hat advisories for platform-specific fixes.; Avoid processing untrusted packet captures with vulnerable tcpdump versions..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
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Open ATT&CK lookupCVE-2017-12996 mapping review
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Open ATT&CK lookup- Severity
- Critical
- CVSS
- 9.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H3.95.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
9.8CriticalVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- GLSA-201709-23CVE reference · vendor-advisory, x_refsource_GENTOO
- https://support.apple.com/HT208221CVE reference · x_refsource_CONFIRM
- https://github.com/the-tcpdump-group/tcpdump/commit/6fca58f5f9c96749a575f52e20598ad43f5bdf30CVE reference · x_refsource_CONFIRM
- RHEA-2018:0705CVE reference · vendor-advisory, x_refsource_REDHAT
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Out-of-bounds Read
Out-of-bounds Read represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.